Postgresql 2 Tutorial The Postgresql global Development Group


 The SQL Language................................................................................................................................6


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2. The SQL Language................................................................................................................................6

2.1. Introduction .................................................................................................................................6

2.2. Concepts......................................................................................................................................6

2.3. Creating a New Table ..................................................................................................................6

2.4. Populating a Table With Rows ....................................................................................................7

2.5. Querying a Table .........................................................................................................................8

2.6. Joins Between Tables ..................................................................................................................9

2.7. Aggregate Functions .................................................................................................................11

2.8. Updates......................................................................................................................................13

2.9. Deletions ...................................................................................................................................14




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